The goal is not to be the only or final editor of your own work — but to be a capable first editor. (indieauthorsociety.com)
First editor does an combined editorial assessment, with developmental edits, on your manuscript (storyperfectediting.com)
Even those writers who sell their first book to the very first editor their agent approaches, often look back on the way they became an author and are surprised at how winding the road was. (rmfw.org)